9. In human beings, the gene for red-green colorblindness (r) is sex-linked and recessive to its allele for normal vision (R), while the gene for freckles (F) is autosomal and dominant over its allele for nonfreckled (f). A nonfreckled, normal-visioned woman whose father was freckled and colorblind, marries a freckled, colorblind man whose mother was nonfreckled. a. What is the genotype of the woman's father? b. What is the probability that the couple's first child will be a non-freckled, normal visioned girl c. What is the probability that the first two children born to the couple will be freckled and colorblind girls? d What ic the

9. In human beings, the gene for red-green colorblindness (r) is sex-linked and recessive to its allele for normal vision (R), while the gene for freckles (F) is autosomal and dominant over its allele for nonfreckled (f). A nonfreckled, normal-visioned woman whose father was freckled and colorblind, marries a freckled, colorblind man whose mother was nonfreckled. a. What is the genotype of the woman's father? b. What is the probability that the couple's first child will be a non-freckled, normal visioned girl c. What is the probability that the first two children born to the couple will be freckled and colorblind girls? d What ic the

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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marries a woman with non webbed fingers. They hope to have four children. What is the with webbed fingers whose father displayed webbed fingers but whose mother did not amans, webbed fingers is dominant (W-): non webbed fingers is recessive, ww. Aman with webbed fingers whose father displaved webbed fingers but whose mother did hot marries a woman with non webbed fingers. They hope to have four children. What is the probability of three having non webbed fingers and one having webbed fingers? а. 1/2 b. 2/3 С. 3/4 d. 1/8 e. 4
8. Which of the following is true given a mating between a woman who is a carrier for color blindness and a non color blind male. Remember this is a x linked recessive trait. 1. This couple could have a color blind son. 2. All their children would be color blind 3. This couple could have a color blind daughter 4. None of their children would be color blind
6.
1)What are the possible genotypes of thumb hyperextension/Hitchhikers thumb last segment cannot be bent backward(dominant T), and last segment can be bent backward 60 degrees (recessive t) 2) Possible genotypes of Bent little finger Little finger bends toward ring finger (dominant L) Straight little finger (recessive l) 3) Possible genotype of Interlacing of fingers Left thumb over right (dominant I) Right thumb over left (recessive i ) 4) Possible genotype of Dimples (dominant D) No dimples (recessive d)
2. Identify the type of trait(s) in the pedigree below * autosomal recessive autosomal dominant X-linked dominant X-linked recessive V.linked
1. y-linked recessive 2. autosomal recessive 3. autosomal dominant 4. X-linked dominant 5. Pleiotrophic 6. X-linked recessive
.Hemophilia is a blood-clotting disorder in humans that followsan X-linked recessive pattern of inheritance. A man with hemophilia and a woman without hemophilia have a daughter withhemophilia. If you let H represent the normal allele and h thehemophilia allele, what are the genotypes of the parents?a. Mother is XHXhand father is XhY.b. Mother is XhXhand father is XhY.c. Mother is XhXhand father is XHY.d. Mother is XHXhand father is XHY
.Certain forms of human color blindness are inherited as X-linkedrecessive traits. Hemizygous males are color-blind, but heterozygous females are not. However, heterozygous females sometimeshave partial color blindness.A. Discuss why heterozygous females may have partial color blindness.B. Doctors identified an unusual case in which a heterozygousfemale was color-blind in her right eye but had normal colorvision in her left eye. Explain how this might have occurred.
1. What is the pattern of inheritance of 5-Alpha Reductase 2 Deficiency? answer choices: X-linked recessive X-linked dominant autosomal recessive autosomal dominant maternal/mitochondrial Y-linked 2. What is the likely genotype of individual V-8? a = recessive allele A = dominant allele What is the likely genotype of individual V-8? a = recessive allele A = dominant allele answer choices: XaY XAY aa Aa AA 3. Imagine that individual V-8 marries a female cousin who is a carrier of the 5αRD mutation. What is the probability that they will have a child who has the disorder? Enter your answer as a fraction
Number 12
1. Muscular dystrophy is an x linked recessive disorder. If two of the four offsprings have muscular dystrophy and the other two are normal, predict the genotype of the parents. The offsprins are all boys and the parents appear normal. 2. At age 50, the girl is bald and the boy is not bald. They are twins. What is the genotype of the girl? Predict the genotype of the parents of the twins.
2) The length of your eyelashes follows an autosomal inheritance pattern. Long eyelashes (E) are dominant over short eyelashes (e). A woman with type AB blood who is heterozygous for eyelashes has children with a man who is heterozygous type-A blood and who has short eyelashes. a) Complete a Punnett square showing the possible genotypes of their offspring. b) What percent of their offspring would have short eyelashes and Type-A blood?